diff options
Diffstat (limited to 'llvm/lib/Target/AMDGPU/SIFoldOperands.cpp')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/SIFoldOperands.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp b/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp index 5609f3ce2f2..eff9c072f40 100644 --- a/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp +++ b/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp @@ -211,8 +211,12 @@ static void foldOperand(MachineOperand &OpToFold, MachineInstr *UseMI, Imm = APInt(64, OpToFold.getImm()); + const MCInstrDesc &FoldDesc = TII->get(OpToFold.getParent()->getOpcode()); + const TargetRegisterClass *FoldRC = + TRI.getRegClass(FoldDesc.OpInfo[0].RegClass); + // Split 64-bit constants into 32-bits for folding. - if (UseOp.getSubReg()) { + if (FoldRC->getSize() == 8 && UseOp.getSubReg()) { if (UseRC->getSize() != 8) return; |
